Maria's Birthday Party Tottoko Hamutaro : Season 4 Episode 9

Maria holds a birthday party and the ham-hams tag along. The ham-hams are worried that the party may be ruined when they accidentally knock down Maria's doll collection after being chased by her new puppy, Princess. Fortunately, the ham-hams manage to get the undamaged dolls back in place, while Boss distracts Princess's attention.